condition mean min max 4 h after light 5.722135 4.88179 6.56248 8 h after light 5.595905 5.45652 5.73529 12 h after light 6.1046700000000005 5.76579 6.44355 4 h after dark 6.528646666666667 6.26936 6.69435 8 h after dark 6.88038 6.50207 7.28599 12 h after dark 5.96674 5.44869 6.24073